5.1 Physics
- 801. What is relative acceleration?
- 802. Why is string assumed massless in ideal cases?
- 803. What is block-and-tackle system?
- 804. What is tension in string?
- 805. What is mechanical advantage?
- 806. What is a pulley system?
- 807. What is a constraint in mechanics?
- 808. What is pseudo force?
- 809. What is a non-inertial frame?
- 810. What is an inertial frame of reference?
- 811. What is capillary action?
- 812. What is surface tension?
- 813. What is Pascal’s law?
- 814. What are applications of Bernoulli’s principle?
- 815. What is Bernoulli’s principle?
- 816. What is turbulent flow?
- 817. What is laminar flow?
- 818. What is Stokes’ law?
- 819. What is viscosity?
- 820. What is fluid dynamics?
- 821. What factors affect gravitational acceleration (g)?
- 822. What is weightlessness?
- 823. What is Kepler’s third law?
- 824. What is Kepler’s second law?
- 825. What is Kepler’s first law?
- 826. Why do satellites not fall to Earth?
- 827. What is orbital velocity?
- 828. What is escape velocity?
- 829. What is gravitational force?
- 830. What is gravitation?
- 831. What is the equation of SHM?
- 832. What is phase in SHM?
- 833. Why is SHM periodic?
- 834. What is angular frequency in SHM?
- 835. Give examples of SHM.
- 836. What is restoring force?
- 837. What is frequency?
- 838. What is time period?
- 839. What is amplitude?
- 840. What is simple harmonic motion?
- 841. Give an example of equilibrium in real life.
- 842. Why is a wider base more stable?
- 843. How does base area affect stability?
- 844. What is center of gravity?
- 845. What is a couple?
- 846. What is neutral equilibrium?
- 847. What is unstable equilibrium?
- 848. What is stable equilibrium?
- 849. What are the types of equilibrium?
- 850. What is equilibrium?
- 851. What is pure rolling?
- 852. What is rolling motion?
- 853. What is angular velocity?
- 854. State the law of conservation of angular momentum.
- 855. What is angular momentum?
- 856. What is torque?
- 857. What is moment of inertia?
- 858. What is rotational motion?
- 859. What factors affect center of mass?
- 860. What is center of mass?
- 861. What is recoil?
- 862. What happens during inelastic collision?
- 863. What happens to kinetic energy during elastic collision?
- 864. What is coefficient of restitution?
- 865. What is perfectly inelastic collision?
- 866. What is inelastic collision?
- 867. What is elastic collision?
- 868. What is impulse?
- 869. State the law of conservation of momentum.
- 870. What is momentum?
- 871. Give examples of real-life circular motion.
- 872. What is centripetal acceleration?
- 873. What is centrifugal force?
- 874. What is centripetal force?
- 875. What is circular motion?
- 876. What is power?
- 877. What is work-energy theorem?
- 878. Define potential energy.
- 879. Define kinetic energy.
- 880. What is work?
- 881. What is lubricants’ role in reducing friction?
- 882. Why is static friction greater than kinetic friction?
- 883. What is kinetic friction?
- 884. What is static friction?
- 885. Why is friction sometimes useful?
- 886. How can friction be reduced?
- 887. What is rolling friction?
- 888. What factors affect friction?
- 889. What are the types of friction?
- 890. What is friction?
- 891. What is normal reaction?
- 892. What is limiting friction?
- 893. What is a free-body diagram (FBD)?
- 894. What is equilibrium of forces?
- 895. What is net force?
- 896. What is force?
- 897. State Newton’s Third Law of Motion.
- 898. State Newton’s Second Law of Motion.
- 899. What is inertia?
- 900. State Newton’s First Law of Motion.